Home / 29,476.97-40,705.23-18,725.30

Finding the Fourth Proportional to 29,476.97, 40,705.23 and 18,725.30

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Solution

The fourth proportional to 29,476.97, 40,705.23 and 18,725.30 is: 25,858.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,476.97 : 40,705.23 = 18,725.30 : x
  2. Step 2: Convert to fraction form
    29,476.97/40,705.23 = 18,725.30/x
  3. Step 3: Cross multiply
    29,476.97x = 40,705.23 × 18,725.30
  4. Step 4: Simplify right side
    29,476.97x = 762,217,643.32
  5. Step 5: Solve for x
    x = 762,217,643.32/29,476.97
  6. Step 6: Final answer
    x = 25,858.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.